package booroo.basic;

public class j05_ComputeInvestment {

	public static void main(String[] args) {
		double i = 25000, k = i*2;
		int j = 0;
			
		while (i <= k) {
				i = i*1.06;
				++j;
			}
		System.out.println(j);
	}

}
